module.exports.index = (req, res) => {
    res.render('index.html', { title: '首页' });
}
module.exports.about  = (req, res) => {
    res.render('about.html', { title: '关于我们' });
}
module.exports.music = (req, res) => {
    res.render('music.html', { title: '音乐欣赏' });
}